Finding the Third Proportional to 135,299.50 and 293,656

Step by Step Solution

1. Step 1: Write the proportion equation
   135,299.50 : 293,656 = 293,656 : x
2. Step 2: Convert to fraction form
   135,299.50/293,656 = 293,656/x
3. Step 3: Cross multiply
   135,299.50x = 293,656 × 293,656
4. Step 4: Simplify right side
   135,299.50x = 86,233,846,336
5. Step 5: Solve for x
   x = 86,233,846,336/135,299.50
6. Step 6: Final answer
   x = 637,355.25